3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the ...

The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.

International scientists have uncovered the oldest known phosphatic stromatoporoid sponge, dating back approximately 480 ...

International scientists have uncovered the oldest known phosphatic stromatoporoid sponge, dating back approximately 480 ...

They were especially important during the middle Paleozoic era (from the late ... life during the Great Ordovician Biodiversification Event (GOBE)—a critical period marked by dramatic increases ...